1 /*- 2 * Copyright (c) 2001 Atsushi Onoe 3 * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 * 26 * $FreeBSD$ 27 */ 28 #ifndef _NET80211_IEEE80211_VAR_H_ 29 #define _NET80211_IEEE80211_VAR_H_ 30 31 /* 32 * Definitions for IEEE 802.11 drivers. 33 */ 34 /* NB: portability glue must go first */ 35 #if defined(__NetBSD__) 36 #include <netproto/802_11/ieee80211_netbsd.h> 37 #elif defined(__FreeBSD__) 38 #include <netproto/802_11/ieee80211_freebsd.h> 39 #elif defined(__DragonFly__) 40 #include <netproto/802_11/ieee80211_dragonfly.h> 41 #elif defined(__linux__) 42 #include <netproto/802_11/ieee80211_linux.h> 43 #else 44 #error "No support for your operating system!" 45 #endif 46 47 #include <netproto/802_11/_ieee80211.h> 48 #include <netproto/802_11/ieee80211.h> 49 #include <netproto/802_11/ieee80211_ageq.h> 50 #include <netproto/802_11/ieee80211_crypto.h> 51 #include <netproto/802_11/ieee80211_dfs.h> 52 #include <netproto/802_11/ieee80211_ioctl.h> /* for ieee80211_stats */ 53 #include <netproto/802_11/ieee80211_phy.h> 54 #include <netproto/802_11/ieee80211_power.h> 55 #include <netproto/802_11/ieee80211_node.h> 56 #include <netproto/802_11/ieee80211_proto.h> 57 #include <netproto/802_11/ieee80211_radiotap.h> 58 #include <netproto/802_11/ieee80211_scan.h> 59 60 #define IEEE80211_TXPOWER_MAX 100 /* .5 dBm (XXX units?) */ 61 #define IEEE80211_TXPOWER_MIN 0 /* kill radio */ 62 63 #define IEEE80211_DTIM_DEFAULT 1 /* default DTIM period */ 64 #define IEEE80211_BINTVAL_DEFAULT 100 /* default beacon interval (TU's) */ 65 66 #define IEEE80211_BMISS_MAX 2 /* maximum consecutive bmiss allowed */ 67 #define IEEE80211_HWBMISS_DEFAULT 7 /* h/w bmiss threshold (beacons) */ 68 69 #define IEEE80211_BGSCAN_INTVAL_MIN 15 /* min bg scan intvl (secs) */ 70 #define IEEE80211_BGSCAN_INTVAL_DEFAULT (5*60) /* default bg scan intvl */ 71 72 #define IEEE80211_BGSCAN_IDLE_MIN 100 /* min idle time (ms) */ 73 #define IEEE80211_BGSCAN_IDLE_DEFAULT 250 /* default idle time (ms) */ 74 75 #define IEEE80211_SCAN_VALID_MIN 10 /* min scan valid time (secs) */ 76 #define IEEE80211_SCAN_VALID_DEFAULT 60 /* default scan valid time */ 77 78 #define IEEE80211_PS_SLEEP 0x1 /* STA is in power saving mode */ 79 #define IEEE80211_PS_MAX_QUEUE 50 /* maximum saved packets */ 80 81 #define IEEE80211_FIXED_RATE_NONE 0xff 82 #define IEEE80211_TXMAX_DEFAULT 6 /* default ucast max retries */ 83 84 #define IEEE80211_RTS_DEFAULT IEEE80211_RTS_MAX 85 #define IEEE80211_FRAG_DEFAULT IEEE80211_FRAG_MAX 86 87 #define IEEE80211_MS_TO_TU(x) (((x) * 1000) / 1024) 88 #define IEEE80211_TU_TO_MS(x) (((x) * 1024) / 1000) 89 #define IEEE80211_TU_TO_TICKS(x)(((x) * 1024 * hz) / (1000 * 1000)) 90 91 /* 92 * 802.11 control state is split into a common portion that maps 93 * 1-1 to a physical device and one or more "Virtual AP's" (VAP) 94 * that are bound to an ieee80211com instance and share a single 95 * underlying device. Each VAP has a corresponding OS device 96 * entity through which traffic flows and that applications use 97 * for issuing ioctls, etc. 98 */ 99 100 /* 101 * Data common to one or more virtual AP's. State shared by 102 * the underlying device and the net80211 layer is exposed here; 103 * e.g. device-specific callbacks. 104 */ 105 struct ieee80211vap; 106 typedef void (*ieee80211vap_attach)(struct ieee80211vap *); 107 108 struct ieee80211_appie { 109 uint16_t ie_len; /* size of ie_data */ 110 uint8_t ie_data[]; /* user-specified IE's */ 111 }; 112 113 struct ieee80211_tdma_param; 114 struct ieee80211_rate_table; 115 struct ieee80211_tx_ampdu; 116 struct ieee80211_rx_ampdu; 117 struct ieee80211_superg; 118 struct ieee80211_frame; 119 120 struct ieee80211com { 121 struct ifnet *ic_ifp; /* associated device */ 122 ieee80211_com_lock_t ic_comlock; /* state update lock */ 123 ieee80211_tx_lock_t ic_txlock; /* ic/vap TX lock */ 124 TAILQ_HEAD(, ieee80211vap) ic_vaps; /* list of vap instances */ 125 int ic_headroom; /* driver tx headroom needs */ 126 enum ieee80211_phytype ic_phytype; /* XXX wrong for multi-mode */ 127 enum ieee80211_opmode ic_opmode; /* operation mode */ 128 struct ifmedia ic_media; /* interface media config */ 129 struct callout ic_inact; /* inactivity processing */ 130 struct taskqueue *ic_tq; /* deferred state thread */ 131 struct task ic_parent_task; /* deferred parent processing */ 132 struct task ic_promisc_task;/* deferred promisc update */ 133 struct task ic_mcast_task; /* deferred mcast update */ 134 struct task ic_chan_task; /* deferred channel change */ 135 struct task ic_bmiss_task; /* deferred beacon miss hndlr */ 136 struct task ic_chw_task; /* deferred HT CHW update */ 137 138 uint32_t ic_flags; /* state flags */ 139 uint32_t ic_flags_ext; /* extended state flags */ 140 uint32_t ic_flags_ht; /* HT state flags */ 141 uint32_t ic_flags_ven; /* vendor state flags */ 142 uint32_t ic_caps; /* capabilities */ 143 uint32_t ic_htcaps; /* HT capabilities */ 144 uint32_t ic_htextcaps; /* HT extended capabilities */ 145 uint32_t ic_cryptocaps; /* crypto capabilities */ 146 uint8_t ic_modecaps[2]; /* set of mode capabilities */ 147 uint8_t ic_promisc; /* vap's needing promisc mode */ 148 uint8_t ic_allmulti; /* vap's needing all multicast*/ 149 uint8_t ic_nrunning; /* vap's marked running */ 150 uint8_t ic_curmode; /* current mode */ 151 uint16_t ic_bintval; /* beacon interval */ 152 uint16_t ic_lintval; /* listen interval */ 153 uint16_t ic_holdover; /* PM hold over duration */ 154 uint16_t ic_txpowlimit; /* global tx power limit */ 155 struct ieee80211_rateset ic_sup_rates[IEEE80211_MODE_MAX]; 156 157 /* 158 * Channel state: 159 * 160 * ic_channels is the set of available channels for the device; 161 * it is setup by the driver 162 * ic_nchans is the number of valid entries in ic_channels 163 * ic_chan_avail is a bit vector of these channels used to check 164 * whether a channel is available w/o searching the channel table. 165 * ic_chan_active is a (potentially) constrained subset of 166 * ic_chan_avail that reflects any mode setting or user-specified 167 * limit on the set of channels to use/scan 168 * ic_curchan is the current channel the device is set to; it may 169 * be different from ic_bsschan when we are off-channel scanning 170 * or otherwise doing background work 171 * ic_bsschan is the channel selected for operation; it may 172 * be undefined (IEEE80211_CHAN_ANYC) 173 * ic_prevchan is a cached ``previous channel'' used to optimize 174 * lookups when switching back+forth between two channels 175 * (e.g. for dynamic turbo) 176 */ 177 int ic_nchans; /* # entries in ic_channels */ 178 struct ieee80211_channel ic_channels[IEEE80211_CHAN_MAX]; 179 uint8_t ic_chan_avail[IEEE80211_CHAN_BYTES]; 180 uint8_t ic_chan_active[IEEE80211_CHAN_BYTES]; 181 uint8_t ic_chan_scan[IEEE80211_CHAN_BYTES]; 182 struct ieee80211_channel *ic_curchan; /* current channel */ 183 const struct ieee80211_rate_table *ic_rt; /* table for ic_curchan */ 184 struct ieee80211_channel *ic_bsschan; /* bss channel */ 185 struct ieee80211_channel *ic_prevchan; /* previous channel */ 186 struct ieee80211_regdomain ic_regdomain;/* regulatory data */ 187 struct ieee80211_appie *ic_countryie; /* calculated country ie */ 188 struct ieee80211_channel *ic_countryie_chan; 189 190 /* 802.11h/DFS state */ 191 struct ieee80211_channel *ic_csa_newchan;/* channel for doing CSA */ 192 short ic_csa_mode; /* mode for doing CSA */ 193 short ic_csa_count; /* count for doing CSA */ 194 struct ieee80211_dfs_state ic_dfs; /* DFS state */ 195 196 struct ieee80211_scan_state *ic_scan; /* scan state */ 197 int ic_lastdata; /* time of last data frame */ 198 int ic_lastscan; /* time last scan completed */ 199 200 /* NB: this is the union of all vap stations/neighbors */ 201 int ic_max_keyix; /* max h/w key index */ 202 struct ieee80211_node_table ic_sta; /* stations/neighbors */ 203 struct ieee80211_ageq ic_stageq; /* frame staging queue */ 204 uint32_t ic_hash_key; /* random key for mac hash */ 205 206 /* XXX multi-bss: split out common/vap parts */ 207 struct ieee80211_wme_state ic_wme; /* WME/WMM state */ 208 209 /* XXX multi-bss: can per-vap be done/make sense? */ 210 enum ieee80211_protmode ic_protmode; /* 802.11g protection mode */ 211 uint16_t ic_nonerpsta; /* # non-ERP stations */ 212 uint16_t ic_longslotsta; /* # long slot time stations */ 213 uint16_t ic_sta_assoc; /* stations associated */ 214 uint16_t ic_ht_sta_assoc;/* HT stations associated */ 215 uint16_t ic_ht40_sta_assoc;/* HT40 stations associated */ 216 uint8_t ic_curhtprotmode;/* HTINFO bss state */ 217 enum ieee80211_protmode ic_htprotmode; /* HT protection mode */ 218 int ic_lastnonerp; /* last time non-ERP sta noted*/ 219 int ic_lastnonht; /* last time non-HT sta noted */ 220 uint8_t ic_rxstream; /* # RX streams */ 221 uint8_t ic_txstream; /* # TX streams */ 222 223 /* optional state for Atheros SuperG protocol extensions */ 224 struct ieee80211_superg *ic_superg; 225 226 /* radiotap handling */ 227 struct ieee80211_radiotap_header *ic_th;/* tx radiotap headers */ 228 void *ic_txchan; /* channel state in ic_th */ 229 struct ieee80211_radiotap_header *ic_rh;/* rx radiotap headers */ 230 void *ic_rxchan; /* channel state in ic_rh */ 231 int ic_montaps; /* active monitor mode taps */ 232 233 /* virtual ap create/delete */ 234 struct ieee80211vap* (*ic_vap_create)(struct ieee80211com *, 235 const char [IFNAMSIZ], int, 236 enum ieee80211_opmode, int, 237 const uint8_t [IEEE80211_ADDR_LEN], 238 const uint8_t [IEEE80211_ADDR_LEN]); 239 void (*ic_vap_delete)(struct ieee80211vap *); 240 /* operating mode attachment */ 241 ieee80211vap_attach ic_vattach[IEEE80211_OPMODE_MAX]; 242 /* return hardware/radio capabilities */ 243 void (*ic_getradiocaps)(struct ieee80211com *, 244 int, int *, struct ieee80211_channel []); 245 /* check and/or prepare regdomain state change */ 246 int (*ic_setregdomain)(struct ieee80211com *, 247 struct ieee80211_regdomain *, 248 int, struct ieee80211_channel []); 249 250 int (*ic_set_quiet)(struct ieee80211_node *, 251 u_int8_t *quiet_elm); 252 253 /* send/recv 802.11 management frame */ 254 int (*ic_send_mgmt)(struct ieee80211_node *, 255 int, int); 256 /* send raw 802.11 frame */ 257 int (*ic_raw_xmit)(struct ieee80211_node *, 258 struct mbuf *, 259 const struct ieee80211_bpf_params *); 260 /* update device state for 802.11 slot time change */ 261 void (*ic_updateslot)(struct ifnet *); 262 /* handle multicast state changes */ 263 void (*ic_update_mcast)(struct ifnet *); 264 /* handle promiscuous mode changes */ 265 void (*ic_update_promisc)(struct ifnet *); 266 /* new station association callback/notification */ 267 void (*ic_newassoc)(struct ieee80211_node *, int); 268 /* TDMA update notification */ 269 void (*ic_tdma_update)(struct ieee80211_node *, 270 const struct ieee80211_tdma_param *, int); 271 /* node state management */ 272 struct ieee80211_node* (*ic_node_alloc)(struct ieee80211vap *, 273 const uint8_t [IEEE80211_ADDR_LEN]); 274 void (*ic_node_free)(struct ieee80211_node *); 275 void (*ic_node_cleanup)(struct ieee80211_node *); 276 void (*ic_node_age)(struct ieee80211_node *); 277 void (*ic_node_drain)(struct ieee80211_node *); 278 int8_t (*ic_node_getrssi)(const struct ieee80211_node*); 279 void (*ic_node_getsignal)(const struct ieee80211_node*, 280 int8_t *, int8_t *); 281 void (*ic_node_getmimoinfo)( 282 const struct ieee80211_node*, 283 struct ieee80211_mimo_info *); 284 /* scanning support */ 285 void (*ic_scan_start)(struct ieee80211com *); 286 void (*ic_scan_end)(struct ieee80211com *); 287 void (*ic_set_channel)(struct ieee80211com *); 288 void (*ic_scan_curchan)(struct ieee80211_scan_state *, 289 unsigned long); 290 void (*ic_scan_mindwell)(struct ieee80211_scan_state *); 291 292 /* 293 * 802.11n ADDBA support. A simple/generic implementation 294 * of A-MPDU tx aggregation is provided; the driver may 295 * override these methods to provide their own support. 296 * A-MPDU rx re-ordering happens automatically if the 297 * driver passes out-of-order frames to ieee80211_input 298 * from an assocated HT station. 299 */ 300 int (*ic_recv_action)(struct ieee80211_node *, 301 const struct ieee80211_frame *, 302 const uint8_t *frm, const uint8_t *efrm); 303 int (*ic_send_action)(struct ieee80211_node *, 304 int category, int action, void *); 305 /* check if A-MPDU should be enabled this station+ac */ 306 int (*ic_ampdu_enable)(struct ieee80211_node *, 307 struct ieee80211_tx_ampdu *); 308 /* start/stop doing A-MPDU tx aggregation for a station */ 309 int (*ic_addba_request)(struct ieee80211_node *, 310 struct ieee80211_tx_ampdu *, 311 int dialogtoken, int baparamset, 312 int batimeout); 313 int (*ic_addba_response)(struct ieee80211_node *, 314 struct ieee80211_tx_ampdu *, 315 int status, int baparamset, int batimeout); 316 void (*ic_addba_stop)(struct ieee80211_node *, 317 struct ieee80211_tx_ampdu *); 318 void (*ic_addba_response_timeout)(struct ieee80211_node *, 319 struct ieee80211_tx_ampdu *); 320 /* BAR response received */ 321 void (*ic_bar_response)(struct ieee80211_node *, 322 struct ieee80211_tx_ampdu *, int status); 323 /* start/stop doing A-MPDU rx processing for a station */ 324 int (*ic_ampdu_rx_start)(struct ieee80211_node *, 325 struct ieee80211_rx_ampdu *, int baparamset, 326 int batimeout, int baseqctl); 327 void (*ic_ampdu_rx_stop)(struct ieee80211_node *, 328 struct ieee80211_rx_ampdu *); 329 330 /* The channel width has changed (20<->2040) */ 331 void (*ic_update_chw)(struct ieee80211com *); 332 333 uint64_t ic_spare[7]; 334 }; 335 336 struct ieee80211_aclator; 337 struct ieee80211_tdma_state; 338 struct ieee80211_mesh_state; 339 struct ieee80211_hwmp_state; 340 341 struct ieee80211vap { 342 struct ifmedia iv_media; /* interface media config */ 343 struct ifnet *iv_ifp; /* associated device */ 344 struct bpf_if *iv_rawbpf; /* packet filter structure */ 345 struct sysctl_ctx_list *iv_sysctl; /* dynamic sysctl context */ 346 struct sysctl_oid *iv_oid; /* net.wlan.X sysctl oid */ 347 348 TAILQ_ENTRY(ieee80211vap) iv_next; /* list of vap instances */ 349 struct ieee80211com *iv_ic; /* back ptr to common state */ 350 uint32_t iv_debug; /* debug msg flags */ 351 struct ieee80211_stats iv_stats; /* statistics */ 352 353 uint8_t iv_myaddr[IEEE80211_ADDR_LEN]; 354 uint32_t iv_flags; /* state flags */ 355 uint32_t iv_flags_ext; /* extended state flags */ 356 uint32_t iv_flags_ht; /* HT state flags */ 357 uint32_t iv_flags_ven; /* vendor state flags */ 358 uint32_t iv_caps; /* capabilities */ 359 uint32_t iv_htcaps; /* HT capabilities */ 360 uint32_t iv_htextcaps; /* HT extended capabilities */ 361 enum ieee80211_opmode iv_opmode; /* operation mode */ 362 enum ieee80211_state iv_state; /* state machine state */ 363 enum ieee80211_state iv_nstate; /* pending state */ 364 int iv_nstate_arg; /* pending state arg */ 365 struct task iv_nstate_task; /* deferred state processing */ 366 struct task iv_swbmiss_task;/* deferred iv_bmiss call */ 367 struct callout iv_mgtsend; /* mgmt frame response timer */ 368 /* inactivity timer settings */ 369 int iv_inact_init; /* setting for new station */ 370 int iv_inact_auth; /* auth but not assoc setting */ 371 int iv_inact_run; /* authorized setting */ 372 int iv_inact_probe; /* inactive probe time */ 373 374 int iv_des_nssid; /* # desired ssids */ 375 struct ieee80211_scan_ssid iv_des_ssid[1];/* desired ssid table */ 376 uint8_t iv_des_bssid[IEEE80211_ADDR_LEN]; 377 struct ieee80211_channel *iv_des_chan; /* desired channel */ 378 uint16_t iv_des_mode; /* desired mode */ 379 int iv_nicknamelen; /* XXX junk */ 380 uint8_t iv_nickname[IEEE80211_NWID_LEN]; 381 u_int iv_bgscanidle; /* bg scan idle threshold */ 382 u_int iv_bgscanintvl; /* bg scan min interval */ 383 u_int iv_scanvalid; /* scan cache valid threshold */ 384 u_int iv_scanreq_duration; 385 u_int iv_scanreq_mindwell; 386 u_int iv_scanreq_maxdwell; 387 uint16_t iv_scanreq_flags;/* held scan request params */ 388 uint8_t iv_scanreq_nssid; 389 struct ieee80211_scan_ssid iv_scanreq_ssid[IEEE80211_SCAN_MAX_SSID]; 390 /* sta-mode roaming state */ 391 enum ieee80211_roamingmode iv_roaming; /* roaming mode */ 392 struct ieee80211_roamparam iv_roamparms[IEEE80211_MODE_MAX]; 393 394 uint8_t iv_bmissthreshold; 395 uint8_t iv_bmiss_count; /* current beacon miss count */ 396 int iv_bmiss_max; /* max bmiss before scan */ 397 uint16_t iv_swbmiss_count;/* beacons in last period */ 398 uint16_t iv_swbmiss_period;/* s/w bmiss period */ 399 struct callout iv_swbmiss; /* s/w beacon miss timer */ 400 401 int iv_ampdu_rxmax; /* A-MPDU rx limit (bytes) */ 402 int iv_ampdu_density;/* A-MPDU density */ 403 int iv_ampdu_limit; /* A-MPDU tx limit (bytes) */ 404 int iv_amsdu_limit; /* A-MSDU tx limit (bytes) */ 405 u_int iv_ampdu_mintraffic[WME_NUM_AC]; 406 407 uint32_t *iv_aid_bitmap; /* association id map */ 408 uint16_t iv_max_aid; 409 uint16_t iv_sta_assoc; /* stations associated */ 410 uint16_t iv_ps_sta; /* stations in power save */ 411 uint16_t iv_ps_pending; /* ps sta's w/ pending frames */ 412 uint16_t iv_txseq; /* mcast xmit seq# space */ 413 uint16_t iv_tim_len; /* ic_tim_bitmap size (bytes) */ 414 uint8_t *iv_tim_bitmap; /* power-save stations w/ data*/ 415 uint8_t iv_dtim_period; /* DTIM period */ 416 uint8_t iv_dtim_count; /* DTIM count from last bcn */ 417 /* set/unset aid pwrsav state */ 418 uint8_t iv_quiet; /* Quiet Element */ 419 uint8_t iv_quiet_count; /* constant count for Quiet Element */ 420 uint8_t iv_quiet_count_value; /* variable count for Quiet Element */ 421 uint8_t iv_quiet_period; /* period for Quiet Element */ 422 uint16_t iv_quiet_duration; /* duration for Quiet Element */ 423 uint16_t iv_quiet_offset; /* offset for Quiet Element */ 424 int iv_csa_count; /* count for doing CSA */ 425 426 struct ieee80211_node *iv_bss; /* information for this node */ 427 struct ieee80211_txparam iv_txparms[IEEE80211_MODE_MAX]; 428 uint16_t iv_rtsthreshold; 429 uint16_t iv_fragthreshold; 430 int iv_inact_timer; /* inactivity timer wait */ 431 /* application-specified IE's to attach to mgt frames */ 432 struct ieee80211_appie *iv_appie_beacon; 433 struct ieee80211_appie *iv_appie_probereq; 434 struct ieee80211_appie *iv_appie_proberesp; 435 struct ieee80211_appie *iv_appie_assocreq; 436 struct ieee80211_appie *iv_appie_assocresp; 437 struct ieee80211_appie *iv_appie_wpa; 438 uint8_t *iv_wpa_ie; 439 uint8_t *iv_rsn_ie; 440 uint16_t iv_max_keyix; /* max h/w key index */ 441 ieee80211_keyix iv_def_txkey; /* default/group tx key index */ 442 struct ieee80211_key iv_nw_keys[IEEE80211_WEP_NKID]; 443 int (*iv_key_alloc)(struct ieee80211vap *, 444 struct ieee80211_key *, 445 ieee80211_keyix *, ieee80211_keyix *); 446 int (*iv_key_delete)(struct ieee80211vap *, 447 const struct ieee80211_key *); 448 int (*iv_key_set)(struct ieee80211vap *, 449 const struct ieee80211_key *, 450 const uint8_t mac[IEEE80211_ADDR_LEN]); 451 void (*iv_key_update_begin)(struct ieee80211vap *); 452 void (*iv_key_update_end)(struct ieee80211vap *); 453 454 const struct ieee80211_authenticator *iv_auth; /* authenticator glue */ 455 void *iv_ec; /* private auth state */ 456 457 const struct ieee80211_aclator *iv_acl; /* acl glue */ 458 void *iv_as; /* private aclator state */ 459 460 const struct ieee80211_ratectl *iv_rate; 461 void *iv_rs; /* private ratectl state */ 462 463 struct ieee80211_tdma_state *iv_tdma; /* tdma state */ 464 struct ieee80211_mesh_state *iv_mesh; /* MBSS state */ 465 struct ieee80211_hwmp_state *iv_hwmp; /* HWMP state */ 466 467 /* operate-mode detach hook */ 468 void (*iv_opdetach)(struct ieee80211vap *); 469 /* receive processing */ 470 int (*iv_input)(struct ieee80211_node *, 471 struct mbuf *, int, int); 472 void (*iv_recv_mgmt)(struct ieee80211_node *, 473 struct mbuf *, int, int, int); 474 void (*iv_recv_ctl)(struct ieee80211_node *, 475 struct mbuf *, int); 476 void (*iv_deliver_data)(struct ieee80211vap *, 477 struct ieee80211_node *, struct mbuf *); 478 #if 0 479 /* send processing */ 480 int (*iv_send_mgmt)(struct ieee80211_node *, 481 int, int); 482 #endif 483 /* beacon miss processing */ 484 void (*iv_bmiss)(struct ieee80211vap *); 485 /* reset device state after 802.11 parameter/state change */ 486 int (*iv_reset)(struct ieee80211vap *, u_long); 487 /* [schedule] beacon frame update */ 488 void (*iv_update_beacon)(struct ieee80211vap *, int); 489 /* power save handling */ 490 void (*iv_update_ps)(struct ieee80211vap *, int); 491 int (*iv_set_tim)(struct ieee80211_node *, int); 492 void (*iv_node_ps)(struct ieee80211_node *, int); 493 void (*iv_sta_ps)(struct ieee80211vap *, int); 494 void (*iv_recv_pspoll)(struct ieee80211_node *, 495 struct mbuf *); 496 497 /* state machine processing */ 498 int (*iv_newstate)(struct ieee80211vap *, 499 enum ieee80211_state, int); 500 /* 802.3 output method for raw frame xmit */ 501 #if defined(__DragonFly__) 502 int (*iv_output)(struct ifnet *, struct mbuf *, 503 struct sockaddr *, struct rtentry *); 504 #else 505 int (*iv_output)(struct ifnet *, struct mbuf *, 506 const struct sockaddr *, struct route *); 507 #endif 508 uint64_t iv_spare[6]; 509 }; 510 MALLOC_DECLARE(M_80211_VAP); 511 512 #define IEEE80211_ADDR_EQ(a1,a2) (memcmp(a1,a2,IEEE80211_ADDR_LEN) == 0) 513 #define IEEE80211_ADDR_COPY(dst,src) memcpy(dst,src,IEEE80211_ADDR_LEN) 514 515 /* ic_flags/iv_flags */ 516 #define IEEE80211_F_TURBOP 0x00000001 /* CONF: ATH Turbo enabled*/ 517 #define IEEE80211_F_COMP 0x00000002 /* CONF: ATH comp enabled */ 518 #define IEEE80211_F_FF 0x00000004 /* CONF: ATH FF enabled */ 519 #define IEEE80211_F_BURST 0x00000008 /* CONF: bursting enabled */ 520 /* NB: this is intentionally setup to be IEEE80211_CAPINFO_PRIVACY */ 521 #define IEEE80211_F_PRIVACY 0x00000010 /* CONF: privacy enabled */ 522 #define IEEE80211_F_PUREG 0x00000020 /* CONF: 11g w/o 11b sta's */ 523 #define IEEE80211_F_SCAN 0x00000080 /* STATUS: scanning */ 524 #define IEEE80211_F_ASCAN 0x00000100 /* STATUS: active scan */ 525 #define IEEE80211_F_SIBSS 0x00000200 /* STATUS: start IBSS */ 526 /* NB: this is intentionally setup to be IEEE80211_CAPINFO_SHORT_SLOTTIME */ 527 #define IEEE80211_F_SHSLOT 0x00000400 /* STATUS: use short slot time*/ 528 #define IEEE80211_F_PMGTON 0x00000800 /* CONF: Power mgmt enable */ 529 #define IEEE80211_F_DESBSSID 0x00001000 /* CONF: des_bssid is set */ 530 #define IEEE80211_F_WME 0x00002000 /* CONF: enable WME use */ 531 #define IEEE80211_F_BGSCAN 0x00004000 /* CONF: bg scan enabled (???)*/ 532 #define IEEE80211_F_SWRETRY 0x00008000 /* CONF: sw tx retry enabled */ 533 #define IEEE80211_F_TXPOW_FIXED 0x00010000 /* TX Power: fixed rate */ 534 #define IEEE80211_F_IBSSON 0x00020000 /* CONF: IBSS creation enable */ 535 #define IEEE80211_F_SHPREAMBLE 0x00040000 /* STATUS: use short preamble */ 536 #define IEEE80211_F_DATAPAD 0x00080000 /* CONF: do alignment pad */ 537 #define IEEE80211_F_USEPROT 0x00100000 /* STATUS: protection enabled */ 538 #define IEEE80211_F_USEBARKER 0x00200000 /* STATUS: use barker preamble*/ 539 #define IEEE80211_F_CSAPENDING 0x00400000 /* STATUS: chan switch pending*/ 540 #define IEEE80211_F_WPA1 0x00800000 /* CONF: WPA enabled */ 541 #define IEEE80211_F_WPA2 0x01000000 /* CONF: WPA2 enabled */ 542 #define IEEE80211_F_WPA 0x01800000 /* CONF: WPA/WPA2 enabled */ 543 #define IEEE80211_F_DROPUNENC 0x02000000 /* CONF: drop unencrypted */ 544 #define IEEE80211_F_COUNTERM 0x04000000 /* CONF: TKIP countermeasures */ 545 #define IEEE80211_F_HIDESSID 0x08000000 /* CONF: hide SSID in beacon */ 546 #define IEEE80211_F_NOBRIDGE 0x10000000 /* CONF: dis. internal bridge */ 547 #define IEEE80211_F_PCF 0x20000000 /* CONF: PCF enabled */ 548 #define IEEE80211_F_DOTH 0x40000000 /* CONF: 11h enabled */ 549 #define IEEE80211_F_DWDS 0x80000000 /* CONF: Dynamic WDS enabled */ 550 551 #define IEEE80211_F_BITS \ 552 "\20\1TURBOP\2COMP\3FF\4BURST\5PRIVACY\6PUREG\10SCAN\11ASCAN\12SIBSS" \ 553 "\13SHSLOT\14PMGTON\15DESBSSID\16WME\17BGSCAN\20SWRETRY\21TXPOW_FIXED" \ 554 "\22IBSSON\23SHPREAMBLE\24DATAPAD\25USEPROT\26USERBARKER\27CSAPENDING" \ 555 "\30WPA1\31WPA2\32DROPUNENC\33COUNTERM\34HIDESSID\35NOBRIDG\36PCF" \ 556 "\37DOTH\40DWDS" 557 558 /* Atheros protocol-specific flags */ 559 #define IEEE80211_F_ATHEROS \ 560 (IEEE80211_F_FF | IEEE80211_F_COMP | IEEE80211_F_TURBOP) 561 /* Check if an Atheros capability was negotiated for use */ 562 #define IEEE80211_ATH_CAP(vap, ni, bit) \ 563 ((vap)->iv_flags & (ni)->ni_ath_flags & (bit)) 564 565 /* ic_flags_ext/iv_flags_ext */ 566 #define IEEE80211_FEXT_INACT 0x00000002 /* CONF: sta inact handling */ 567 #define IEEE80211_FEXT_SCANWAIT 0x00000004 /* STATUS: awaiting scan */ 568 /* 0x00000006 reserved */ 569 #define IEEE80211_FEXT_BGSCAN 0x00000008 /* STATUS: complete bgscan */ 570 #define IEEE80211_FEXT_WPS 0x00000010 /* CONF: WPS enabled */ 571 #define IEEE80211_FEXT_TSN 0x00000020 /* CONF: TSN enabled */ 572 #define IEEE80211_FEXT_SCANREQ 0x00000040 /* STATUS: scan req params */ 573 #define IEEE80211_FEXT_RESUME 0x00000080 /* STATUS: start on resume */ 574 #define IEEE80211_FEXT_4ADDR 0x00000100 /* CONF: apply 4-addr encap */ 575 #define IEEE80211_FEXT_NONERP_PR 0x00000200 /* STATUS: non-ERP sta present*/ 576 #define IEEE80211_FEXT_SWBMISS 0x00000400 /* CONF: do bmiss in s/w */ 577 #define IEEE80211_FEXT_DFS 0x00000800 /* CONF: DFS enabled */ 578 #define IEEE80211_FEXT_DOTD 0x00001000 /* CONF: 11d enabled */ 579 #define IEEE80211_FEXT_STATEWAIT 0x00002000 /* STATUS: awaiting state chg */ 580 #define IEEE80211_FEXT_REINIT 0x00004000 /* STATUS: INIT state first */ 581 #define IEEE80211_FEXT_BPF 0x00008000 /* STATUS: BPF tap present */ 582 /* NB: immutable: should be set only when creating a vap */ 583 #define IEEE80211_FEXT_WDSLEGACY 0x00010000 /* CONF: legacy WDS operation */ 584 #define IEEE80211_FEXT_PROBECHAN 0x00020000 /* CONF: probe passive channel*/ 585 #define IEEE80211_FEXT_UNIQMAC 0x00040000 /* CONF: user or computed mac */ 586 587 #define IEEE80211_FEXT_BITS \ 588 "\20\2INACT\3SCANWAIT\4BGSCAN\5WPS\6TSN\7SCANREQ\10RESUME" \ 589 "\0114ADDR\12NONEPR_PR\13SWBMISS\14DFS\15DOTD\16STATEWAIT\17REINIT" \ 590 "\20BPF\21WDSLEGACY\22PROBECHAN\23UNIQMAC" 591 592 /* ic_flags_ht/iv_flags_ht */ 593 #define IEEE80211_FHT_NONHT_PR 0x00000001 /* STATUS: non-HT sta present */ 594 #define IEEE80211_FHT_GF 0x00040000 /* CONF: Greenfield enabled */ 595 #define IEEE80211_FHT_HT 0x00080000 /* CONF: HT supported */ 596 #define IEEE80211_FHT_AMPDU_TX 0x00100000 /* CONF: A-MPDU tx supported */ 597 #define IEEE80211_FHT_AMPDU_RX 0x00200000 /* CONF: A-MPDU rx supported */ 598 #define IEEE80211_FHT_AMSDU_TX 0x00400000 /* CONF: A-MSDU tx supported */ 599 #define IEEE80211_FHT_AMSDU_RX 0x00800000 /* CONF: A-MSDU rx supported */ 600 #define IEEE80211_FHT_USEHT40 0x01000000 /* CONF: 20/40 use enabled */ 601 #define IEEE80211_FHT_PUREN 0x02000000 /* CONF: 11n w/o legacy sta's */ 602 #define IEEE80211_FHT_SHORTGI20 0x04000000 /* CONF: short GI in HT20 */ 603 #define IEEE80211_FHT_SHORTGI40 0x08000000 /* CONF: short GI in HT40 */ 604 #define IEEE80211_FHT_HTCOMPAT 0x10000000 /* CONF: HT vendor OUI's */ 605 #define IEEE80211_FHT_RIFS 0x20000000 /* CONF: RIFS enabled */ 606 #define IEEE80211_FHT_STBC_TX 0x40000000 /* CONF: STBC tx enabled */ 607 #define IEEE80211_FHT_STBC_RX 0x80000000 /* CONF: STBC rx enabled */ 608 609 #define IEEE80211_FHT_BITS \ 610 "\20\1NONHT_PR" \ 611 "\23GF\24HT\25AMPDU_TX\26AMPDU_TX" \ 612 "\27AMSDU_TX\30AMSDU_RX\31USEHT40\32PUREN\33SHORTGI20\34SHORTGI40" \ 613 "\35HTCOMPAT\36RIFS\37STBC_TX\40STBC_RX" 614 615 #define IEEE80211_FVEN_BITS "\20" 616 617 /* ic_caps/iv_caps: device driver capabilities */ 618 /* 0x2e available */ 619 #define IEEE80211_C_STA 0x00000001 /* CAPABILITY: STA available */ 620 #define IEEE80211_C_8023ENCAP 0x00000002 /* CAPABILITY: 802.3 encap */ 621 #define IEEE80211_C_FF 0x00000040 /* CAPABILITY: ATH FF avail */ 622 #define IEEE80211_C_TURBOP 0x00000080 /* CAPABILITY: ATH Turbo avail*/ 623 #define IEEE80211_C_IBSS 0x00000100 /* CAPABILITY: IBSS available */ 624 #define IEEE80211_C_PMGT 0x00000200 /* CAPABILITY: Power mgmt */ 625 #define IEEE80211_C_HOSTAP 0x00000400 /* CAPABILITY: HOSTAP avail */ 626 #define IEEE80211_C_AHDEMO 0x00000800 /* CAPABILITY: Old Adhoc Demo */ 627 #define IEEE80211_C_SWRETRY 0x00001000 /* CAPABILITY: sw tx retry */ 628 #define IEEE80211_C_TXPMGT 0x00002000 /* CAPABILITY: tx power mgmt */ 629 #define IEEE80211_C_SHSLOT 0x00004000 /* CAPABILITY: short slottime */ 630 #define IEEE80211_C_SHPREAMBLE 0x00008000 /* CAPABILITY: short preamble */ 631 #define IEEE80211_C_MONITOR 0x00010000 /* CAPABILITY: monitor mode */ 632 #define IEEE80211_C_DFS 0x00020000 /* CAPABILITY: DFS/radar avail*/ 633 #define IEEE80211_C_MBSS 0x00040000 /* CAPABILITY: MBSS available */ 634 #define IEEE80211_C_SWSLEEP 0x00080000 /* CAPABILITY: do sleep here */ 635 /* 0x7c0000 available */ 636 #define IEEE80211_C_WPA1 0x00800000 /* CAPABILITY: WPA1 avail */ 637 #define IEEE80211_C_WPA2 0x01000000 /* CAPABILITY: WPA2 avail */ 638 #define IEEE80211_C_WPA 0x01800000 /* CAPABILITY: WPA1+WPA2 avail*/ 639 #define IEEE80211_C_BURST 0x02000000 /* CAPABILITY: frame bursting */ 640 #define IEEE80211_C_WME 0x04000000 /* CAPABILITY: WME avail */ 641 #define IEEE80211_C_WDS 0x08000000 /* CAPABILITY: 4-addr support */ 642 /* 0x10000000 reserved */ 643 #define IEEE80211_C_BGSCAN 0x20000000 /* CAPABILITY: bg scanning */ 644 #define IEEE80211_C_TXFRAG 0x40000000 /* CAPABILITY: tx fragments */ 645 #define IEEE80211_C_TDMA 0x80000000 /* CAPABILITY: TDMA avail */ 646 /* XXX protection/barker? */ 647 648 #define IEEE80211_C_OPMODE \ 649 (IEEE80211_C_STA | IEEE80211_C_IBSS | IEEE80211_C_HOSTAP | \ 650 IEEE80211_C_AHDEMO | IEEE80211_C_MONITOR | IEEE80211_C_WDS | \ 651 IEEE80211_C_TDMA | IEEE80211_C_MBSS) 652 653 #define IEEE80211_C_BITS \ 654 "\20\1STA\002803ENCAP\7FF\10TURBOP\11IBSS\12PMGT" \ 655 "\13HOSTAP\14AHDEMO\15SWRETRY\16TXPMGT\17SHSLOT\20SHPREAMBLE" \ 656 "\21MONITOR\22DFS\23MBSS\30WPA1\31WPA2\32BURST\33WME\34WDS\36BGSCAN" \ 657 "\37TXFRAG\40TDMA" 658 659 /* 660 * ic_htcaps/iv_htcaps: HT-specific device/driver capabilities 661 * 662 * NB: the low 16-bits are the 802.11 definitions, the upper 663 * 16-bits are used to define s/w/driver capabilities. 664 */ 665 #define IEEE80211_HTC_AMPDU 0x00010000 /* CAPABILITY: A-MPDU tx */ 666 #define IEEE80211_HTC_AMSDU 0x00020000 /* CAPABILITY: A-MSDU tx */ 667 /* NB: HT40 is implied by IEEE80211_HTCAP_CHWIDTH40 */ 668 #define IEEE80211_HTC_HT 0x00040000 /* CAPABILITY: HT operation */ 669 #define IEEE80211_HTC_SMPS 0x00080000 /* CAPABILITY: MIMO power save*/ 670 #define IEEE80211_HTC_RIFS 0x00100000 /* CAPABILITY: RIFS support */ 671 #define IEEE80211_HTC_RXUNEQUAL 0x00200000 /* CAPABILITY: RX unequal MCS */ 672 #define IEEE80211_HTC_RXMCS32 0x00400000 /* CAPABILITY: MCS32 support */ 673 #define IEEE80211_HTC_TXUNEQUAL 0x00800000 /* CAPABILITY: TX unequal MCS */ 674 #define IEEE80211_HTC_TXMCS32 0x01000000 /* CAPABILITY: MCS32 suport */ 675 676 #define IEEE80211_C_HTCAP_BITS \ 677 "\20\1LDPC\2CHWIDTH40\5GREENFIELD\6SHORTGI20\7SHORTGI40\10TXSTBC" \ 678 "\21AMPDU\22AMSDU\23HT\24SMPS\25RIFS" 679 680 void ieee80211_ifattach(struct ieee80211com *, 681 const uint8_t macaddr[IEEE80211_ADDR_LEN]); 682 void ieee80211_ifdetach(struct ieee80211com *); 683 int ieee80211_vap_setup(struct ieee80211com *, struct ieee80211vap *, 684 const char name[IFNAMSIZ], int unit, 685 enum ieee80211_opmode opmode, int flags, 686 const uint8_t bssid[IEEE80211_ADDR_LEN], 687 const uint8_t macaddr[IEEE80211_ADDR_LEN]); 688 int ieee80211_vap_attach(struct ieee80211vap *, 689 ifm_change_cb_t, ifm_stat_cb_t); 690 void ieee80211_vap_detach(struct ieee80211vap *); 691 const struct ieee80211_rateset *ieee80211_get_suprates(struct ieee80211com *ic, 692 const struct ieee80211_channel *); 693 void ieee80211_announce(struct ieee80211com *); 694 void ieee80211_announce_channels(struct ieee80211com *); 695 void ieee80211_drain(struct ieee80211com *); 696 void ieee80211_media_init(struct ieee80211com *); 697 struct ieee80211com *ieee80211_find_vap(const uint8_t mac[IEEE80211_ADDR_LEN]); 698 int ieee80211_media_change(struct ifnet *); 699 void ieee80211_media_status(struct ifnet *, struct ifmediareq *); 700 #if defined(__DragonFly__) 701 int ieee80211_ioctl(struct ifnet *, u_long, caddr_t, struct ucred *); 702 #else 703 int ieee80211_ioctl(struct ifnet *, u_long, caddr_t); 704 #endif 705 int ieee80211_rate2media(struct ieee80211com *, int, 706 enum ieee80211_phymode); 707 int ieee80211_media2rate(int); 708 int ieee80211_mhz2ieee(u_int, u_int); 709 int ieee80211_chan2ieee(struct ieee80211com *, 710 const struct ieee80211_channel *); 711 u_int ieee80211_ieee2mhz(u_int, u_int); 712 struct ieee80211_channel *ieee80211_find_channel(struct ieee80211com *, 713 int freq, int flags); 714 struct ieee80211_channel *ieee80211_find_channel_byieee(struct ieee80211com *, 715 int ieee, int flags); 716 int ieee80211_setmode(struct ieee80211com *, enum ieee80211_phymode); 717 enum ieee80211_phymode ieee80211_chan2mode(const struct ieee80211_channel *); 718 uint32_t ieee80211_mac_hash(const struct ieee80211com *, 719 const uint8_t addr[IEEE80211_ADDR_LEN]); 720 721 void ieee80211_radiotap_attach(struct ieee80211com *, 722 struct ieee80211_radiotap_header *th, int tlen, 723 uint32_t tx_radiotap, 724 struct ieee80211_radiotap_header *rh, int rlen, 725 uint32_t rx_radiotap); 726 void ieee80211_radiotap_attachv(struct ieee80211com *, 727 struct ieee80211_radiotap_header *th, 728 int tlen, int n_tx_v, uint32_t tx_radiotap, 729 struct ieee80211_radiotap_header *rh, 730 int rlen, int n_rx_v, uint32_t rx_radiotap); 731 void ieee80211_radiotap_detach(struct ieee80211com *); 732 void ieee80211_radiotap_vattach(struct ieee80211vap *); 733 void ieee80211_radiotap_vdetach(struct ieee80211vap *); 734 void ieee80211_radiotap_chan_change(struct ieee80211com *); 735 void ieee80211_radiotap_tx(struct ieee80211vap *, struct mbuf *); 736 void ieee80211_radiotap_rx(struct ieee80211vap *, struct mbuf *); 737 void ieee80211_radiotap_rx_all(struct ieee80211com *, struct mbuf *); 738 739 static __inline int 740 ieee80211_radiotap_active(const struct ieee80211com *ic) 741 { 742 return (ic->ic_flags_ext & IEEE80211_FEXT_BPF) != 0; 743 } 744 745 static __inline int 746 ieee80211_radiotap_active_vap(const struct ieee80211vap *vap) 747 { 748 return (vap->iv_flags_ext & IEEE80211_FEXT_BPF) || 749 vap->iv_ic->ic_montaps != 0; 750 } 751 752 /* 753 * Enqueue a task on the state thread. 754 */ 755 static __inline void 756 ieee80211_runtask(struct ieee80211com *ic, struct task *task) 757 { 758 taskqueue_enqueue(ic->ic_tq, task); 759 } 760 761 /* 762 * Wait for a queued task to complete. 763 */ 764 static __inline void 765 ieee80211_draintask(struct ieee80211com *ic, struct task *task) 766 { 767 taskqueue_drain(ic->ic_tq, task); 768 } 769 770 /* 771 * Key update synchronization methods. XXX should not be visible. 772 */ 773 static __inline void 774 ieee80211_key_update_begin(struct ieee80211vap *vap) 775 { 776 vap->iv_key_update_begin(vap); 777 } 778 static __inline void 779 ieee80211_key_update_end(struct ieee80211vap *vap) 780 { 781 vap->iv_key_update_end(vap); 782 } 783 784 /* 785 * XXX these need to be here for IEEE80211_F_DATAPAD 786 */ 787 788 /* 789 * Return the space occupied by the 802.11 header and any 790 * padding required by the driver. This works for a 791 * management or data frame. 792 */ 793 static __inline int 794 ieee80211_hdrspace(struct ieee80211com *ic, const void *data) 795 { 796 int size = ieee80211_hdrsize(data); 797 if (ic->ic_flags & IEEE80211_F_DATAPAD) 798 size = roundup(size, sizeof(uint32_t)); 799 return size; 800 } 801 802 /* 803 * Like ieee80211_hdrspace, but handles any type of frame. 804 */ 805 static __inline int 806 ieee80211_anyhdrspace(struct ieee80211com *ic, const void *data) 807 { 808 int size = ieee80211_anyhdrsize(data); 809 if (ic->ic_flags & IEEE80211_F_DATAPAD) 810 size = roundup(size, sizeof(uint32_t)); 811 return size; 812 } 813 814 /* 815 * Notify a vap that beacon state has been updated. 816 */ 817 static __inline void 818 ieee80211_beacon_notify(struct ieee80211vap *vap, int what) 819 { 820 if (vap->iv_state == IEEE80211_S_RUN) 821 vap->iv_update_beacon(vap, what); 822 } 823 824 /* 825 * Calculate HT channel promotion flags for a channel. 826 * XXX belongs in ieee80211_ht.h but needs IEEE80211_FHT_* 827 */ 828 static __inline int 829 ieee80211_htchanflags(const struct ieee80211_channel *c) 830 { 831 return IEEE80211_IS_CHAN_HT40(c) ? 832 IEEE80211_FHT_HT | IEEE80211_FHT_USEHT40 : 833 IEEE80211_IS_CHAN_HT(c) ? IEEE80211_FHT_HT : 0; 834 } 835 836 /* 837 * Fetch the current TX power (cap) for the given node. 838 * 839 * This includes the node and ic/vap TX power limit as needed, 840 * but it doesn't take into account any per-rate limit. 841 */ 842 static __inline uint16_t 843 ieee80211_get_node_txpower(struct ieee80211_node *ni) 844 { 845 struct ieee80211com *ic = ni->ni_ic; 846 uint16_t txpower; 847 848 txpower = ni->ni_txpower; 849 txpower = MIN(txpower, ic->ic_txpowlimit); 850 if (ic->ic_curchan != NULL) { 851 txpower = MIN(txpower, 2 * ic->ic_curchan->ic_maxregpower); 852 txpower = MIN(txpower, ic->ic_curchan->ic_maxpower); 853 } 854 855 return (txpower); 856 } 857 858 /* 859 * Debugging facilities compiled in when IEEE80211_DEBUG is defined. 860 * 861 * The intent is that any problem in the net80211 layer can be 862 * diagnosed by inspecting the statistics (dumped by the wlanstats 863 * program) and/or the msgs generated by net80211. Messages are 864 * broken into functional classes and can be controlled with the 865 * wlandebug program. Certain of these msg groups are for facilities 866 * that are no longer part of net80211 (e.g. IEEE80211_MSG_DOT1XSM). 867 */ 868 #define IEEE80211_MSG_11N 0x80000000 /* 11n mode debug */ 869 #define IEEE80211_MSG_DEBUG 0x40000000 /* IFF_DEBUG equivalent */ 870 #define IEEE80211_MSG_DUMPPKTS 0x20000000 /* IFF_LINK2 equivalant */ 871 #define IEEE80211_MSG_CRYPTO 0x10000000 /* crypto work */ 872 #define IEEE80211_MSG_INPUT 0x08000000 /* input handling */ 873 #define IEEE80211_MSG_XRATE 0x04000000 /* rate set handling */ 874 #define IEEE80211_MSG_ELEMID 0x02000000 /* element id parsing */ 875 #define IEEE80211_MSG_NODE 0x01000000 /* node handling */ 876 #define IEEE80211_MSG_ASSOC 0x00800000 /* association handling */ 877 #define IEEE80211_MSG_AUTH 0x00400000 /* authentication handling */ 878 #define IEEE80211_MSG_SCAN 0x00200000 /* scanning */ 879 #define IEEE80211_MSG_OUTPUT 0x00100000 /* output handling */ 880 #define IEEE80211_MSG_STATE 0x00080000 /* state machine */ 881 #define IEEE80211_MSG_POWER 0x00040000 /* power save handling */ 882 #define IEEE80211_MSG_HWMP 0x00020000 /* hybrid mesh protocol */ 883 #define IEEE80211_MSG_DOT1XSM 0x00010000 /* 802.1x state machine */ 884 #define IEEE80211_MSG_RADIUS 0x00008000 /* 802.1x radius client */ 885 #define IEEE80211_MSG_RADDUMP 0x00004000 /* dump 802.1x radius packets */ 886 #define IEEE80211_MSG_MESH 0x00002000 /* mesh networking */ 887 #define IEEE80211_MSG_WPA 0x00001000 /* WPA/RSN protocol */ 888 #define IEEE80211_MSG_ACL 0x00000800 /* ACL handling */ 889 #define IEEE80211_MSG_WME 0x00000400 /* WME protocol */ 890 #define IEEE80211_MSG_SUPERG 0x00000200 /* Atheros SuperG protocol */ 891 #define IEEE80211_MSG_DOTH 0x00000100 /* 802.11h support */ 892 #define IEEE80211_MSG_INACT 0x00000080 /* inactivity handling */ 893 #define IEEE80211_MSG_ROAM 0x00000040 /* sta-mode roaming */ 894 #define IEEE80211_MSG_RATECTL 0x00000020 /* tx rate control */ 895 #define IEEE80211_MSG_ACTION 0x00000010 /* action frame handling */ 896 #define IEEE80211_MSG_WDS 0x00000008 /* WDS handling */ 897 #define IEEE80211_MSG_IOCTL 0x00000004 /* ioctl handling */ 898 #define IEEE80211_MSG_TDMA 0x00000002 /* TDMA handling */ 899 900 #define IEEE80211_MSG_ANY 0xffffffff /* anything */ 901 902 #define IEEE80211_MSG_BITS \ 903 "\20\2TDMA\3IOCTL\4WDS\5ACTION\6RATECTL\7ROAM\10INACT\11DOTH\12SUPERG" \ 904 "\13WME\14ACL\15WPA\16RADKEYS\17RADDUMP\20RADIUS\21DOT1XSM\22HWMP" \ 905 "\23POWER\24STATE\25OUTPUT\26SCAN\27AUTH\30ASSOC\31NODE\32ELEMID" \ 906 "\33XRATE\34INPUT\35CRYPTO\36DUPMPKTS\37DEBUG\04011N" 907 908 #ifdef IEEE80211_DEBUG 909 #define ieee80211_msg(_vap, _m) ((_vap)->iv_debug & (_m)) 910 #define IEEE80211_DPRINTF(_vap, _m, _fmt, ...) do { \ 911 if (ieee80211_msg(_vap, _m)) \ 912 ieee80211_note(_vap, _fmt, __VA_ARGS__); \ 913 } while (0) 914 #define IEEE80211_NOTE(_vap, _m, _ni, _fmt, ...) do { \ 915 if (ieee80211_msg(_vap, _m)) \ 916 ieee80211_note_mac(_vap, (_ni)->ni_macaddr, _fmt, __VA_ARGS__);\ 917 } while (0) 918 #define IEEE80211_NOTE_MAC(_vap, _m, _mac, _fmt, ...) do { \ 919 if (ieee80211_msg(_vap, _m)) \ 920 ieee80211_note_mac(_vap, _mac, _fmt, __VA_ARGS__); \ 921 } while (0) 922 #define IEEE80211_NOTE_FRAME(_vap, _m, _wh, _fmt, ...) do { \ 923 if (ieee80211_msg(_vap, _m)) \ 924 ieee80211_note_frame(_vap, _wh, _fmt, __VA_ARGS__); \ 925 } while (0) 926 void ieee80211_note(const struct ieee80211vap *, const char *, ...) 927 __printflike(2, 3); 928 void ieee80211_note_mac(const struct ieee80211vap *, 929 const uint8_t mac[IEEE80211_ADDR_LEN], const char *, ...) 930 __printflike(3, 4); 931 void ieee80211_note_frame(const struct ieee80211vap *, 932 const struct ieee80211_frame *, const char *, ...) 933 __printflike(3, 4); 934 #define ieee80211_msg_debug(_vap) \ 935 ((_vap)->iv_debug & IEEE80211_MSG_DEBUG) 936 #define ieee80211_msg_dumppkts(_vap) \ 937 ((_vap)->iv_debug & IEEE80211_MSG_DUMPPKTS) 938 #define ieee80211_msg_input(_vap) \ 939 ((_vap)->iv_debug & IEEE80211_MSG_INPUT) 940 #define ieee80211_msg_radius(_vap) \ 941 ((_vap)->iv_debug & IEEE80211_MSG_RADIUS) 942 #define ieee80211_msg_dumpradius(_vap) \ 943 ((_vap)->iv_debug & IEEE80211_MSG_RADDUMP) 944 #define ieee80211_msg_dumpradkeys(_vap) \ 945 ((_vap)->iv_debug & IEEE80211_MSG_RADKEYS) 946 #define ieee80211_msg_scan(_vap) \ 947 ((_vap)->iv_debug & IEEE80211_MSG_SCAN) 948 #define ieee80211_msg_assoc(_vap) \ 949 ((_vap)->iv_debug & IEEE80211_MSG_ASSOC) 950 951 /* 952 * Emit a debug message about discarding a frame or information 953 * element. One format is for extracting the mac address from 954 * the frame header; the other is for when a header is not 955 * available or otherwise appropriate. 956 */ 957 #define IEEE80211_DISCARD(_vap, _m, _wh, _type, _fmt, ...) do { \ 958 if ((_vap)->iv_debug & (_m)) \ 959 ieee80211_discard_frame(_vap, _wh, _type, _fmt, __VA_ARGS__);\ 960 } while (0) 961 #define IEEE80211_DISCARD_IE(_vap, _m, _wh, _type, _fmt, ...) do { \ 962 if ((_vap)->iv_debug & (_m)) \ 963 ieee80211_discard_ie(_vap, _wh, _type, _fmt, __VA_ARGS__);\ 964 } while (0) 965 #define IEEE80211_DISCARD_MAC(_vap, _m, _mac, _type, _fmt, ...) do { \ 966 if ((_vap)->iv_debug & (_m)) \ 967 ieee80211_discard_mac(_vap, _mac, _type, _fmt, __VA_ARGS__);\ 968 } while (0) 969 970 void ieee80211_discard_frame(const struct ieee80211vap *, 971 const struct ieee80211_frame *, const char *type, const char *fmt, ...) 972 __printflike(4, 5); 973 void ieee80211_discard_ie(const struct ieee80211vap *, 974 const struct ieee80211_frame *, const char *type, const char *fmt, ...) 975 __printflike(4, 5); 976 void ieee80211_discard_mac(const struct ieee80211vap *, 977 const uint8_t mac[IEEE80211_ADDR_LEN], const char *type, 978 const char *fmt, ...) 979 __printflike(4, 5); 980 #else 981 #define IEEE80211_DPRINTF(_vap, _m, _fmt, ...) 982 #define IEEE80211_NOTE(_vap, _m, _ni, _fmt, ...) 983 #define IEEE80211_NOTE_FRAME(_vap, _m, _wh, _fmt, ...) 984 #define IEEE80211_NOTE_MAC(_vap, _m, _mac, _fmt, ...) 985 #define ieee80211_msg_dumppkts(_vap) 0 986 #define ieee80211_msg(_vap, _m) 0 987 988 #define IEEE80211_DISCARD(_vap, _m, _wh, _type, _fmt, ...) 989 #define IEEE80211_DISCARD_IE(_vap, _m, _wh, _type, _fmt, ...) 990 #define IEEE80211_DISCARD_MAC(_vap, _m, _mac, _type, _fmt, ...) 991 #endif 992 993 #endif /* _NET80211_IEEE80211_VAR_H_ */ 994